Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test. Carcinoembryonic antigen (CEA) is a glycoprotein normally found in embryonic entodermal epithelium.
Europe's Coldest Cities in Summer. Europe's northernmost city has the continent's coolest summers. No other major city stays anywhere as tepid as ReykjavÃ­k, Iceland, where maximum temperatures average a meagre 12.7 degrees Celsius (54.8 degrees Fahrenheit). That's over five degrees Celsius (10 Â°F) lower than the next coldest city, Leeds.
While more cheap destinations have better weather in September on a global scale, the Americas are still in an in-between phase, with chilly temperatures in most of South America, and the rainy season in full effect in Central America.urope. September might be the best month of the year to visit Europe for the budget traveler. Most of the cheaper cities in the south have great weather, and crowds have already thinned out from the August peaks. For a late sunshine holiday check out the cheapest beach destinations in Europe.